Why is my paint scratching off so easily?
Also to know is, is Primer supposed to scratch off?
When to use Primer To perform a test, paint a few small patches on your piece and leave it to dry for 24 hours. Now you can give it a scratch with your fingernail to see if the paint has adhered well or if it peels off easily. If your piece is peeling then a coat of Primer will likely be the easiest way to proceed!
Also, do you have to scrape all the paint off before painting? Before painting over old paint on wood, scraping all loose, cracking, chipping, or peeling paint must be abrasively removed. Once this is done, wood is ready for a good bonding primer. Allowing primer to dry, your finish coat will properly bond, lasting many years.
Keeping this in view, why is my paint chipping so easily?
If paint peels from an interior wall, the reason for the peeling paint is often an improperly prepared surface and moisture seeping through from the wall to the paint surface. Wipe off the wall with the tack cloth to remove dust. Apply the primer to the wall first to seal the wall and prevent moisture problems.
Why does paint peel off wood?
Peeling paint is usually caused by moisture getting into the wood and breaking the paint's bond with the wood fiber. Most moisture comes from outside, but sometimes it collects in the wall and works its way outward.